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- Electrical items MAY be 110 volts.
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About OPV-Over Pressure Valve
Technical divers need redundant safety back-ups on most all their equipment to assure the safest dive techniques allowed. A first-stage regulator should work well when it is maintained properly, yet if it does malfunction added safety features can make the difference between a controlled emergency and a diving accident. Incorporating a safety relief valve on your first-stage regulator allow an over pressurization of the 2nd-stage hose nearly imposable. This compact Over-Relief Valve (OPV) is designed to releases pressure in the event of an over pressurization of the first stage regulator. Easy to install into a standard 3/8-24 UNF low pressure regulator port, OPV is factory set at 175 to 185 psi (12 to 12.75 bars) and is manufactured from chromed brass with a stainless steel internal spring.
